Valis: The Fantasm Soldier II (夢幻戦士 ヴァリスⅡ Mugen Senshi: Varisu Tsū?), which had a remake done with super deformed characters and released as SD Valis (SDヴァリス Esu Dī Varisu?) on the Japanese Mega Drive and Syd of Valis – a translation mistake as SD means super deformed – on the North American Sega Genesis, is the second title in the Mugen Senshi Valis video game series. Like its predecessor, it is an action platformer.
Time passes since the events of Valis and Vecanti is set to rule under its next emperor after Rogles. This new emperor, Megas, wishes to stamp out any trace of the former tyrant, to the point of murdering any supporters Rogles might have had. Furthermore, his bloodthirsty tendencies recognize Yūko and the Valis sword as viable threats to his claim of the throne, and he targets his minions to eliminate her first before she has the chance to thwart him.
Like the other titles of the series, Valis II requires the player to navigate through two-dimensional levels, battling enemies, jumping from ledge to ledge, and running until you face a boss character at the end of each level.